/*
 * Copyright 2006-2008 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.martinimix.web.servlet.handler.bluemartini;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

import com.bluemartini.html.HTMLContext;

/**
 * Provides a login handler interceptor for Blue Martini Remote Desktop.
 * 
 * This interceptor redirects to the Remote Desktop login page
 * if there is no current user logged in on a request.
 * 
 * @author Scott Rossillo
 *
 */
public class RemoteDesktopLoginInterceptor extends HandlerInterceptorAdapter {

	/**
	 * Redirects to the Remote Desktop login page if no user
	 * is logged in.
	 * 
	 * @see org.springframework.web.servlet.handler.HandlerInterceptorAdapter#preHandle(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, java.lang.Object)
	 */
	public boolean preHandle(HttpServletRequest request,
			HttpServletResponse response, Object handler) throws Exception {
		
		if(HTMLContext.getContext().getFormData().getBusinessObject("LOGIN") == null) {
			response.sendRedirect("main/login.jsp");
			return false;
		}
		
		return true;
	}

}
